Perfect for use in HVAC, environmental studies, hazardous spill clean ups, electrostatic precipitators, and all types of air flow measurements. Based on the principle that a freely turning turbine will rotate at a speed directly proportional to the wind speed. One piece construction with built-in probe. Select readout in any of 5 scales; meters per second(0.4~30), feet per minute(80~5,900), miles per hour(0.9~68), knots(0.8~58), or kilometers per hour(1.4~108). Simultaneously displays temperature in °C or °F. Advanced features include RS232 output, continuous moving average, max-min-avg, auto power off, and hold functions. Comes ready to use in a hard carrying case with on 9V battery. DIM: 7" x 2½" x 1¾". Weight: 7 oz.
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